different output from gcc for c-testsuite's 00219.c

[samkho]

For https://github.com/c-testsuite/c-testsuite/tree/master/tests/single-exec/00219.c...

gcc outputs:

20 10 20 123 2 0 5 1 2 3 4 long 1 3

chibicc outputs:

10 5 2 123 2 0 5 1 3 1 2 long long 1 3